[PDF] A box for for the measurement of road surface reflection ... - NMF
Feb 21, 2018 · This instrument is a box like construction that contains a mirror, two lighting ... dimensions of the instrument can be relatively small. ... b. manual focus on the road surface at a distance of a bit less than 2 m so as to obtain a good ... However, it seems to be difficult to find suitable LED panels, and the halogen ...
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nmfv's website is nmfv.dk